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곱셈 2자리 X 2자리

1

		8	8
		3	9
	7	9	2
2	6	4	0
3	4	3	2

2

		2	7
		1	0
			0
	2	7	0
	2	7	0

3

		5	4
		4	9
	4	8	6
2	1	6	0
2	6	4	6

4

		3	4
		2	2
		6	8
	6	8	0
	7	4	8

5

		4	7
		5	9
	4	2	3
2	3	5	0
2	7	7	3

6

		9	4
		4	4
	3	7	6
3	7	6	0
4	1	3	6

7

		5	4
		3	6
	3	2	4
1	6	2	0
1	9	4	4

8

		1	8
		8	8
	1	4	4
1	4	4	0
1	5	8	4

9

		5	5
		4	1
		5	5
2	2	0	0
2	2	5	5

10

		1	1
		4	0
			0
	4	4	0
	4	4	0

11

		6	3
		1	7
	4	4	1
	6	3	0
1	0	7	1

12

		1	7
		2	6
	1	0	2
	3	4	0
	4	4	2

13

		1	2
		1	5
		6	0
	1	2	0
	1	8	0

14

		2	2
		6	9
	1	9	8
1	3	2	0
1	5	1	8

15

		5	0
		9	3
	1	5	0
4	5	0	0
4	6	5	0

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